Daily Sunspot Evaluation
Observation Sheet Tuesday, 30 August 1977
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 3
- Number of spots (f)
- 9
- Relative number (R)
- 39
- Observer
- GA
- Reading
- all checks consistent
- File
- 19770830.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 3 | -31 | 12E | 36 | 13E | ||
| 2 | D – 3 | -27 | 44W | 92 | 43W | ||
| 3 | J – 3 | -26 | 53W | 101 | 52W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.